The Obama Administration says it will arm Syria's opposition, but for U.S. Republican Senator John McCain, the intervention may not go far enough.

"How many times have you and I seen high-ranking officials, frankly, unfortunately, in uniform as well as out, that will tell all the reasons why we can’t effectively intervene," he asked CNN's Christiane Amanpour on Friday. "And the one question that needs to be asked is, ‘What happens if we don’t?'"